Question
In a ΔABC, 
, then
The correct answer is:
Given 
Related Questions to study
ΔABC and ΔDEF have sides of lengths a, b, c and d, e, f respectively (symbols are as per usual notations). a, b, c, and d, e, f satisfy the relation 
then -
ΔABC and ΔDEF have sides of lengths a, b, c and d, e, f respectively (symbols are as per usual notations). a, b, c, and d, e, f satisfy the relation then -
If A + B + C =
, then cos A + cos B – cos C =
If A + B + C =, then cos A + cos B – cos C =
For thorium A =232, Z=90 at the end of some radioactive disintegration we obtain an isotope of lead with A=208 and Z=82, then the number of emitted 
particles are
For thorium A =232, Z=90 at the end of some radioactive disintegration we obtain an isotope of lead with A=208 and Z=82, then the number of emitted particles are
When a hydrogen atom is raised from the ground state to an excited state
When a hydrogen atom is raised from the ground state to an excited state
How much work must be done to pull apart the electron and the proton that make up the Hydrogen atom, if the atom is initially in the state with n=2
How much work must be done to pull apart the electron and the proton that make up the Hydrogen atom, if the atom is initially in the state with n=2
The radius of a nucleus with atomic mass number 7 is 2fermi. Find the radius of nucleus with atomic number 189.
The radius of a nucleus with atomic mass number 7 is 2fermi. Find the radius of nucleus with atomic number 189.
An electron with kinetic energy is incident on a -atom in its ground state. The collision
An electron with kinetic energy is incident on a -atom in its ground state. The collision
A radioactive nucleus emits -particles and 5-particles. The ratio of number of neutrons to that of protons will be
A radioactive nucleus emits -particles and 5-particles. The ratio of number of neutrons to that of protons will be
and 
?
orbital:
Compare x and y bond lengths for the above given molecules:
and 
Compare x and y bond lengths for the above given molecules:
Compare x and y bond lengths for the above given molecules:
